NBC's "Meet the Press" — Sen. Lindsey Graham, R-S.C.; Tom Perez, chairman of the Democratic National Committee; Ronna Romney McDaniel, head of the Republican National Committee; former CIA Director John Brennan.

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CBS' "Face the Nation" — Nikki Haley, U.S. ambassador to the United Nations; Sens. John McCain, R-Ariz., and Ted Cruz, R-Texas.